Determination device, computer readable medium, and marker for obtaining information on lung cancer

A determination device for enabling a computer to carry out a process including the steps of: obtaining an analysis result on methylation status of a CpG site located in a promoter region of at least one gene selected from HOXB4 (Homeobox B4) and ZSCAN31 (zinc finger and SCAN domain containing 31) in a DNA sample derived from a subject; and outputting a determination result as information on lung cancer in the subject based on the resulting analysis result is provided. A computer readable medium and a marker for obtaining information on lung cancer are also provided.